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Physics of unsteady cylinder-induced shock-wave/transitional boundary-layer interactions
(Journal of Fluid Mechanics;Volume 918, 2021-05-14)
Given the current lack of experimental data for shock waves interacting with incoming transitional boundary layers, the goal of this study was to characterize the dynamics of such an interaction to better understand the ...
Biglycan and chondroitin sulfate play pivotal roles in bone toughness via retaining bound water in bone mineral matrix
(Matrix Biology;Vol. 94, 9/28/2020)
Recent in vitro evidence shows that glycosaminoglycans (GAGs) and proteoglycans (PGs) in bone matrix may functionally be involved in the tissue-level toughness of bone. In this study, we showed the effect of biglycan (Bgn), ...
Nanomechanics and Ultrastructure of Bone: A Review
(CMES-Computer Modeling in Engineering & Sciences;125(1), 11/1/2020)
In this review, a brief presentation is first given to the hierarchical structure and mechanical behavior of bone. Then, the recent advancements in nanoscale characterization of bone ultrastructure and ingredients are ...
Knockdown Indian Hedgehog (Ihh) does not delay Fibular Fracture Healing in genetic deleted Ihh mice and pharmaceutical inhibited Ihh Mice
(Scientific Reports;8, 7/9/2018)
The objective of this study was to determine if Ihh is required for fracture healing. Fibular fracture was created in adult Col2a1-CreERT2; Ihhfl/fl mice. Ihhfl/fl mice received Tamoxifen (TM) to delete Ihh. WT mice received ...
Bioinspired design of hybrid composite materials
(International Journal of Smart and Nano Materials;10(1), 11/24/2018)
Mimicking the natural design motifs of structural biological materials is a promising approach to achieve a unique combination of strength and toughness for engineering materials. In this study, we proposed a 2D computational ...
Development of the IBSAL-SimMOpt Method for the Optimization of Quality in a Corn Stover Supply Chain
(8/3/2017)
Variability on the physical characteristics of feedstock has a relevant effect on the reactor’s reliability and operating cost. Most of the models developed to optimize biomass supply chains have failed to quantify the ...
A Novel Mechanically Overdamped Actuator with Adjustable Stiffness (MOD-AwAS) for Safe Interaction and Accurate Positioning
(6/28/2017)
This paper presents the design and development of a novel mechanically overdamped actuator with adjustable stiffness (MOD-AwAS). The novelty of MOD-AwAS compared to other variable stiffness actuators relates to its mechanical ...
Computational Investigation of Crack-Induced Hot-Spot Generation in Energetic Composites
(8/10/2021)
The sensitivity of polymer-bonded explosives (PBXs) can be tuned through adjusting binder material and its volume fraction, crystal composition and morphology. To obtain a better understanding of the correlation between ...
Na Promotion of Pt/m-ZrO2 Catalysts for the Steam Reforming of Formaldehyde
(2022-10-22)
The decomposition selectivity of formaldehyde during steam reforming was explored using unpromoted and sodium promoted Pt/m-ZrO2 catalysts, and the Na content was varied (0.5%Na, 1%Na, 1.8%Na, 2.5%Na, and 5%Na). In situ ...
A 3D Printed Linear Pneumatic Actuator for Position, Force and Impedance Control
(5/24/2018)
Although 3D printing has the potential to provide greater customization and to reduce the costs of creating actuators for industrial applications, the 3D printing of actuators is still a relatively new concept. We have ...